A12 northbound Jct 15 to Jct 21 mobile lane closures (MP 116/2 to 136/2)

Cleared

Start time: Thu, Mar 5, 2026 9:00 PM
Expected end: Fri, Mar 6, 2026 5:00 AM
Duration: 8 hours
Road: A12 – A12 Northbound Between A1114/A130 And A414 Near Chelmsford (East)
Category: Road Maintenance
Direction: Northbound
Carriageway: Dual Carriageway
Reason: Maintenance Work

Live incident

Active roadworks

Planned

Cleared

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First published: Mon, Mar 2, 2026 9:56 AM
Last updated: Thu, Mar 5, 2026 9:15 PM
Cleared: Fri, Mar 6, 2026 5:00 AM

Latest update: A12 northbound Jct 15 to Jct 21 mobile lane closures (MP 116/2 to 136/2)

Coordinates: 51.712134, 0.526258
Latitude span: 51.707262 – 51.715536
Longitude span: 0.521702 – 0.528488
Bounding box centre: 51.711399, 0.525095
Location descriptions: A12 northbound between A1114/A130 and A414 near Chelmsford (east)

Feed validity status: Planned
Overall feed start: Thu, Mar 5, 2026 9:00 PM
Overall feed end: Fri, Mar 6, 2026 5:00 AM
Feed window length: 8 hours
Probability code (raw): probable
Compliance option (raw): mandatory
Source identification (raw): roadworks

Management type value: other
Contra-flow flag (raw): false
Width restriction flag (raw): false
Height restriction flag (raw): false
Weight restriction flag (raw): false

Segment 1

16 coordinate pairs

Description: A12 northbound between A1114/A130 and A414 near Chelmsford (east)
Carriageway: Dual Carriageway
Lanes Restricted: 2 lanes restricted
Operational Lanes: 0 operational lanes
Direction On Section: North Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: A12
Linear Element Model: The Network Model
Linear Element Id: {C8044597-732C-4443-A7F8-77F03A8AB305}
Linear Element Type: A Carriageway
From Distance: 0 m
To Distance: 902 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.708087 0.522642
51.70864 0.523281
51.709501 0.524241
51.710318 0.525126
51.710987 0.5258
51.711525 0.526322
51.711966 0.526694
51.712196 0.526866
51.712427 0.527038
51.712941 0.527371
51.713412 0.527643
51.713848 0.527856
51.714071 0.527955
51.714507 0.528139
51.71473 0.528238
51.715275 0.528413

Segment 2

3 coordinate pairs

Description: A12 northbound between A1114/A130 and A414 near Chelmsford (east)
Carriageway: Dual Carriageway
Lanes Restricted: 2 lanes restricted
Operational Lanes: 0 operational lanes
Direction On Section: North Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: A12
Linear Element Model: The Network Model
Linear Element Id: {0233752B-B384-4D9C-827E-B98B07829418}
Linear Element Type: A Carriageway
From Distance: 373 m
To Distance: 485 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.707262 0.521702
51.707648 0.522154
51.708087 0.522642

Segment 3

4 coordinate pairs

Description: A12 northbound between A1114/A130 and A414 near Chelmsford (east)
Carriageway: Dual Carriageway
Lanes Restricted: 2 lanes restricted
Operational Lanes: 0 operational lanes
Direction On Section: North Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: A12
Linear Element Model: The Network Model
Linear Element Id: {282B2954-A9B1-4775-8127-07A4236D870B}
Linear Element Type: A Carriageway
From Distance: 0 m
To Distance: 29 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.715275 0.528413
51.715319 0.52843
51.715525 0.528485
51.715536 0.528488

Geometry type: MultiLineString
Geometry points: 23
First coordinate pair: 0.522642, 51.708087
Road section segments: 1
Road section points: 23

View geometry JSON

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}

View road section coordinates

Cause type: Road Maintenance
Detailed cause: Maintenance Work
Compliance: Mandatory
Probability: Probable
Validity status: Planned
Road management: Other
Feed region label: Chelmsford